Impact of Rainfall Intensity and Water Management System on Flood Risk in West Java
DOI:
https://doi.org/10.58812/sdi.v1i03.2132Keywords:
Rainfall Intensity, Water Management Systems, Flood Risk, Quantitative Analysis, West JavaAbstract
This study investigates the impact of rainfall intensity and water management systems on flood risk in West Java, Indonesia. Employing a quantitative approach, data were collected from 125 respondents residing in flood-prone areas through a structured Likert-scale questionnaire. Statistical analysis using SPSS version 25, including descriptive, correlation, and multiple regression tests, was conducted to evaluate the relationship between climatic and infrastructural factors affecting flood risk. The results indicate that rainfall intensity has a significant positive effect on flood risk, implying that higher rainfall intensity directly increases the probability and severity of flooding. Conversely, water management systems demonstrate a significant negative effect, showing that well-maintained drainage networks and effective community-based water governance substantially mitigate flood occurrences. The regression model revealed that both variables jointly explain 53.4% of the variance in flood risk levels, emphasizing the combined importance of climatic adaptation and infrastructural improvement. The study concludes that effective water management systems can serve as a critical resilience mechanism to counter the adverse impacts of increasing rainfall intensity. These findings provide empirical insights for policymakers, planners, and local authorities to design integrated, sustainable flood mitigation strategies tailored to West Java’s urban and environmental contexts.
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